AD9284

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Product Highlights ........................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

DC Specifications ......................................................................... 3

 

AC Specifications.......................................................................... 4

 

Digital Specifications ................................................................... 5

 

Switching Specifications .............................................................. 6

 

SPI Timing Specifications ........................................................... 6

 

Absolute Maximum Ratings............................................................ 7

 

Thermal Resistance ...................................................................... 7

 

ESD Caution.................................................................................. 7

 

Pin Configuration and Function Descriptions............................. 8

 

Typical Performance Characteristics ........................................... 10

 

Equivalent Circuits ......................................................................... 12

 

Theory of Operation ...................................................................... 13

 

ADC Architecture ...................................................................... 13

 

Analog Input Considerations.................................................... 13

 

Voltage Reference ....................................................................... 13

 

RBIAS........................................................................................... 13

 

Clock Input Considerations...................................................... 14

 

Digital Outputs ........................................................................... 14

 

Built-In Self-Test (BIST) and Output Test .................................. 15

 

Built-In Self-Test (BIST)............................................................ 15

 

Output Test Modes..................................................................... 15

 

Serial Port Interface (SPI).............................................................. 16

 

Configuration Using the SPI..................................................... 16

 

Hardware Interface..................................................................... 17

 

Configuration Without the SPI ................................................ 17

 

SPI Accessible Features.............................................................. 17

 

Memory Map .................................................................................. 18

 

Reading the Memory Map Register Table............................... 18

 

Memory Map Register Table..................................................... 19

 

Memory Map Register Descriptions........................................ 21

 

Applications Information .............................................................. 22

 

Design Guidelines ...................................................................... 22

 

Outline Dimensions ....................................................................... 23

 

Ordering Guide .......................................................................... 23

 

REVISION HISTORY

1/11—Revision 0: Initial Version